很多站长朋友们都不太清楚php完成时钟，今天小编就来给大家整理php完成时钟，希望对各位有所帮助，具体内容如下：
本文目录一览： 1、 用PHP制作动态数字时钟 在线等 2、 四、用PHP制作动态数字时钟。 3、 PHP怎么实现动态时钟 用PHP制作动态数字时钟 在线等第一个：
<?php
$n=chr(13);
echo "<SCRIPT LANGUAGE=\"JavaScript\">".$n;
echo "document.write('<div id=\"TimeShow\" align=\"center\" style=\"MARGIN-right:0px;font-size:9pt;font-family:宋体\">?</div>');".$n;
echo "var y=".date("Y")."; //年 ".$n;
echo "var m=".date("n")."; //月 ".$n;
echo "var d=".date("j")."; //日 ".$n;
echo "var w=".date("w")."; //星 ".$n;
echo "var h=".date("H")."; //时 ".$n;
echo "var i=".date("i")."; //分 ".$n;
echo "var s=".date("s")."; //秒 ".$n;
echo "var hstr=istr=sstr=a='';".$n;
echo "var ww = Array('日','一','二','三','四','五','六');".$n;
echo "function clock(){".$n;
echo " s++;".$n;
echo " if (s==60) {i+=1;s=0;}//秒进位".$n;
echo " if (i==60) {h+=1;i=0;}//分进位".$n;
echo " if (h==24) {w+=1;d+=1;h=0;}//时进位".$n;
echo " if (w==7) {w=0;}//星期进位".$n;
echo " if (m==2) { //是否是二月份？".$n;
echo " if (!y%4>0) { //不是闰月（二月有28天）".$n;
echo " if (d==30){".$n;
echo " m+=1;".$n;
echo " d=1;}".$n;
echo " }".$n;
echo " else { //是闰月（二月有29天）".$n;
echo " if (d==29){".$n;
echo " m+=1;".$n;
echo " d=1;}".$n;
echo " }".$n;
echo " }".$n;
echo " else { //非2月份的月份".$n;
echo " if (m==4 || m==6 || m==9 || m==11) { //只有30天的月份".$n;
echo " if (d==31) {".$n;
echo " m+=1;".$n;
echo " d=1;}".$n;
echo " }".$n;
echo " else { //有31天的月份".$n;
echo " if (d==32){".$n;
echo " m+=1;".$n;
echo " d=1;}".$n;
echo " }".$n;
echo " }".$n;
echo " if (m==13) {y+=1;m=1;}//月进位".$n;
echo " if (h < 10) {hstr=' 0'+h} else {hstr=' '+h};".$n;
echo " if (i < 10) {istr=':0'+i} else {istr=':'+i};".$n;
echo " if (s < 10) {sstr=':0'+s} else {sstr=':'+s};".$n;
echo " if (h < 13) {astr=' 上午';} else {astr=' 下午';};".$n;
echo " TimeShow.innerHTML=y+'年'+m+'月'+d+'日 '+'<font color=blue>星期'+ww[w]+'</font>'+hstr+istr+sstr+astr;".$n;
echo " setTimeout('clock()',1000);".$n;
echo "}".$n;
echo "clock();".$n;
echo "</SCRIPT>".$n;
?>
四、用PHP制作动态数字时钟。PHP做不实际，会累死服务器的.用JS做 <span id="datetime">time</span>
<script>
function setTime(){
var day="";
var month="";
var ampm="";
var ampmhour="";
var myweekday="";
var year="";
var myHours="";
var myMinutes="";
var mySeconds="";
mydate=new Date();
myweekday=mydate.getDay();
mymonth=parseInt(mydate.getMonth()+1)<10?"0"+(mydate.getMonth()+1):mydate.getMonth()+1;
myday= mydate.getDate();
myyear= mydate.getYear();
myHours = mydate.getHours();
myMinutes = mydate.getMinutes();
mySeconds = parseInt(mydate.getSeconds())<10?"0"+mydate.getSeconds():mydate.getSeconds();
year=(myyear > 200) ? myyear : 1900 + myyear;
if(myweekday == 0)
weekday=" 星期日 ";
else if(myweekday == 1)
weekday=" 星期一 ";
else if(myweekday == 2)
weekday=" 星期二 ";
else if(myweekday == 3)
weekday=" 星期三 ";
else if(myweekday == 4)
weekday=" 星期四 ";
else if(myweekday == 5)
weekday=" 星期五 ";
else if(myweekday == 6)
weekday=" 星期六 ";
datetime.innerText=year+"年"+mymonth+"月"+myday+"日 "+myHours+":"+myMinutes+":"+mySeconds+" "+weekday;
setTimeout("setTime()",1000);
}
setTime();
</script>
PHP怎么实现动态时钟脚本说明：
第一步:把如下代码加入<body>区域中:
<script language="JavaScript">
function showMilitaryTime()
{
if (document.form.showMilitary[0].checked)
{
return true;
}
return false;
}
function showTheHours(theHour)
{
if (showMilitaryTime() || (theHour > 0 theHour < 13))
{
if (theHour == "0") theHour = 12;
return (theHour);
}
if (theHour == 0)
{
return (12);
}
return (theHour-12);
}
function showZeroFilled(inValue)
{
if (inValue > 9)
{
return "" + inValue;
}
return "0" + inValue;
}
function showAmPm()
{
if (showMilitaryTime())
{
return ("");
}
if (now.getHours() < 12)
{
return (" am");
}
return (" pm");
}
function showTheTime()
{
now = new Date
document.form.showTime.value = showTheHours(now.getHours()) + ":" + showZeroFilled(now.getMinutes()) + ":" + showZeroFilled(now.getSeconds()) + showAmPm()
setTimeout("showTheTime()",1000)
}
</script>
<FORM name=form><INPUT name=showTime size=11>
<P><INPUT CHECKED name=showMilitary type=radio>Military Time<BR><INPUT
name=showMilitary type=radio Unchecked> 12 Hour Time </FORM>
第二步:把<body>区域中的内容改为:
<body bgcolor="#fef4d9" onload=showTheTime()>
因为已经定义了函数了，也可以掉用
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